you can find it with an internet search
his name is Merritt
Th only ref I found was on wikipedia and in that Merritt appears to only refer to the reference that he was in intelligence. So it appears that he still presents himself as an IT expert.
If it is correct that he is an IT expert, he is still a valuable witness for Sidney Powell.
I see no reference to his being a mechanic.
And he has a certificate showing that he did complete a course training for intelligence, although he never served in intelligence.
Wikipedia is known to be very liberal and article shows a definite hostility to Sidney Powell and her attempts to expose the fraudulent election. The article has one reference after another to “unproven”, “conspiracies”, etc.